Abstracts tagged "interferon"

Abstract Number: 1665 • ACR Convergence 2023
Endothelial Response to Type I Interferon Contributes to Vasculopathy and Fibrosis and Predicts Disease Progression of Systemic Sclerosis
Hanlin Yin¹, Oliver Distler², Bin Li³, Qingran Yan⁴ and Liangjing Lu¹, ¹Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, Shanghai, China, ²Department of Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland, ³Shanghai institute of immunology, Shanghai, China, ⁴Department of Rheumatology, Renji Hospital, Shanghai Jiaotong Univeisty School of medcine, Shanghai, China
Background/Purpose: Type I interferon (IFN-1) signature is a hallmark of patients with systemic sclerosis (SSc). However, its significance in clinical stratification and contribution to deterioration…
Abstract Number: 0091 • ACR Convergence 2023
Impaired X-Chromosome Inactivation Maintenance in T Cells Is Associated with Features of Reduced Disease Severity in a Toll-Like Receptor 7-Driven Model of Systemic Autoimmunity
Nikhil Jiwrajka¹, Zowie Searcy², Claudia Lovell², Natalie Toothacre², Katherine Forsyth² and Montserrat Anguera², ¹Divison of Rheumatology, Department of Medicine, Hospital of the University of Pennsylvania, Phildelphia, PA, ²Department of Biomedical Sciences, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA
Background/Purpose: Many systemic autoimmune rheumatic diseases, including systemic lupus erythematosus (SLE), Sjögren's syndrome, and systemic sclerosis are highly female-biased. Although these diseases are more prevalent…
Abstract Number: 0894 • ACR Convergence 2023
The Cellular and Spatial Type I Interferon Response Following Skin Exposure to Ultraviolet Light
Jie An¹, Xizhang Sun¹, Rayan Najjar¹, Connie Zhao¹, Paul Kong², Stephanie Weaver², Amanda Koehne², Matt Fitzgibbon² and Keith Elkon¹, ¹University of Washington, Seattle, WA, ²Fred Hutchinson Cancer Center, Seattle, WA
Background/Purpose: SLE patients characteristically have a prominent type I interferon (IFN-I) signature in lesional and non-lesional skin. We recently demonstrated that, following a single exposure…
Abstract Number: 1708 • ACR Convergence 2023
In Cis SOCS1 Variants Illustrate the Precise Regulation of Interferon Signaling Needed to Prevent Autoimmunity
Yan Du¹, Evan Hsu², Kailey Brodeur³, Meng Liu⁴, Mindy Lo⁵, Craig Platt³ and Pui Lee⁵, ¹Harvard medical school, Boston, MA, ²Wesleyan University, Newton, MA, ³Boston Children's Hospital, Boston, MA, ⁴Southern Medical University, Boston, MA, ⁵Division of Immunology, Boston Children's Hospital, Boston, MA
Background/Purpose: Systemic autoimmunity can be driven by monogenic or polygenic risk variants. We aimed to characterize the genetic basis of disease in a family with…
Abstract Number: 0093 • ACR Convergence 2023
Single Cell RNA-seq and Mass Cytometry Reveal a Cytotoxic CD8 Effector T Cell Population Associated with Interstitial Lung Disease in Systemic Sclerosis Patients
Ye Cao¹, Takanori Sasaki², Richard Ainsworth³, Kim Taylor⁴, Nunzio Bottini⁵, Mehreen Elahee⁶, Edy Kim⁷, Francesco Boin³ and Deepak Rao⁷, ¹Brigham and Women's Hospital, Boston, MA, ²Brigham and Women's Hospital and Harvard Medical School, Boston, MA, ³Cedars-Sinai Medical Center, Los Angeles, CA, ⁴University of California San Francisco, San Francisco, CA, ⁵University of California, San Francisco, CA, ⁶University of Pittsburgh Medical Center, Pittsburgh, PA, ⁷Brigham and Women's Hospital, Boston, MA
Background/Purpose: Interstitial lung disease (ILD) is a major cause of morbidity and mortality in systemic sclerosis (SSc). We aimed to identify features of circulating immune…
Abstract Number: 0910 • ACR Convergence 2023
17β-estradiol and B-cell Intrinsic Type I Interferon Amplify Toll-like Receptor 7 Signaling Loop in B Cells of Female Lupus Prone BXD2 Mice
Kathryn Sullivan, Yong Wang, Winn Chatham, John Mountz and Hui-chen Hsu, University of Alabama at Birmingham, Birmingham, AL
Background/Purpose: While systemic lupus erythematosus (SLE) disproportionally affects women versus men, elevation in estradiol (E2) alone is not sufficient to promote the development of autoantibody…
Abstract Number: 1922 • ACR Convergence 2023
Use of Plasma with High Titer Neutralizing Autoantibodies to Type I Interferons in Patients with Severe Refractory Flare-up of Hidradenitis Suppurativa as Novel Passive Immunotherapy Approach: Trial Protocol
Charline Vauchy¹, Maxime Desmarets¹, Paul Bastard², Anne Puel², Pascale Richard³, Jean Laurent Casanova², Pierre Tiberghien³, Eric Toussirot⁴ and Francois Aubin⁵, ¹INSERM CIC-1431, Besançon, France, ²IHU Imagine, AP-HP Necker, Paris, France, ³Etablissement Français du Sang, St. Denis, France, ⁴University Hospital of Besancon, Besançon, France, ⁵Dermatology, University Hospital of Besancon, Besançon, France
Background/Purpose: Hidradenitis suppurativa (HS) is a multifactorial auto-inflammatory disorder with a prevalence of 1% in North American and European populations. HS may be associated with…
Abstract Number: 0205 • ACR Convergence 2023
Changes in Serum Rheumatoid Factor Following Eradication of Hepatitis C Virus Infection with Interferon or Direct Antiviral Therapy
Jamie Chieh Lo¹, Ying-Nan Tsai², Cheng-Hao Tseng³, Yao-Chun Hsu⁴ and Song-Chou Hsieh⁵, ¹School of Medicine, I-Shou University, Kaohsiung, Taiwan, ²Department of Gastroenterology and Hepatology, E-Da Cancer Hospital, Kaohsiung, Taiwan, ³Division of Gastroenterology and Hepatology, E-Da Cancer Hospital, Kaohsiung, Taiwan, ⁴I-Shou University School of Medicine, E-Da Hospital Center of Liver Diseases, Kaohsiung, Taiwan, ⁵National Taiwan University Hospital, Taipei, Taiwan
Background/Purpose: Chronic hepatitis C virus (HCV) infection is associated with autoimmune extrahepatic manifestations including increased production of autoantibodies such as rheumatoid factor (RF). Prior to…
Abstract Number: 0919 • ACR Convergence 2023
Investigating the Role of Interferon in Promoting Flares of SLE at a Single Cell Level
Zoha Faheem¹, Giselle Boukhaled², Kieran Manion¹, Carolina Munoz-Grajales³, Carol Nassar¹, Michael Kim¹, Dafna Gladman⁴, Murray Urowitz⁵, Zahi Touma⁶, David Brooks² and Joan Wither⁷, ¹Schroeder Arthritis Institute, Krembil Research Institute, Toronto, ON, Canada, ²Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada, ³UHN/TWH, Toronto, ON, Canada, ⁴Schroeder Arthritis Institute, Krembil Research Institute, Toronto Western Hospital, Department of Medicine, University of Toronto, Toronto, ON, Canada, ⁵Schroeder Arthritis Institute, Krembil Research Institute; University of Toronto Lupus Clinic; Division of Rheumatology, Toronto, ON, Canada, ⁶University of Toronto, Toronto, ON, Canada, ⁷University Health Network, Toronto, ON, Canada
Background/Purpose: Systemic lupus erythematosus (SLE) is a heterogeneous autoimmune disease with unpredictable flares interspersed with prolonged periods of disease quiescence. Interferon (IFN) is a hallmark…
Abstract Number: 1963 • ACR Convergence 2023
Effect of JAK-STAT Inhibition by Baricitinib and Tofacitinib on Disease Phenotype in a Mouse Model of Myositis
Rita Spathis, Sabrina Narvesen, Deeva Robles Kuriplach, Karen Huang, Teja Sundar, Daniel Shulman, Elizabeth Bagley, Kanneboyina Nagaraju and Melissa Morales, Binghamton University, Johnson City, NY
Background/Purpose: Dysregulation of the interferon (IFN) pathway plays a major role in the pathophysiology of autoimmune myositis. Upregulation of type 1 IFN stimulated genes (an…
Abstract Number: 0548 • ACR Convergence 2023
Clinical and Interferon Biomarkers to Exclude Imminent Autoimmune Disease in ANA Positive Individuals
Md Yuzaiful Md Yusof¹, Sabih Ul-Hassan¹, Zoe Wigston¹, Antonios Psarras², Jack Arnold¹, Lucy Carter³, Paul Emery⁴ and Ed Vital¹, ¹University of Leeds, Leeds, United Kingdom, ²Oxford University, Oxford, United Kingdom, ³University of Leeds, Hartlepool, United Kingdom, ⁴Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom
Background/Purpose: Many rheumatologists find it challenging to safely discharge "At-Risk" ANA-positive people at the first visit due to lack of cardinal signs and prediction tools.…
Abstract Number: 0937 • ACR Convergence 2023
IL-4+ and IFN-α+ Profibrotic T Cells Aggravate Systemic Sclerosis via STIM1/STING Signaling in SKG Mice
Ji Won Yang¹, Kun Hee Lee², Jin Seok Woo², Ha Yeon Jeong², JeongWon Choi², Eui-Jong Kwon¹, Mi-La Cho² and Sung-Hwan Park¹, ¹Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea, ²Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea
Background/Purpose: Systemic sclerosis (SS), also known as scleroderma, is a chronic autoimmune disease caused by inflammation, tissue fibrosis, and vasculopathy. Although the pathological mechanisms of…
Abstract Number: 2044 • ACR Convergence 2023
Monogenic Interferon Mediated Diseases: Novel Phenotype and Genotype Characteristics from Saudi Population
Alhanouf Alsaleem, Sulaiman Al-Mayouf and Shahad Alansari, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
Background/Purpose: IFN-mediated diseases are mendelian innate immunodysregulatory disorders that present early in life with fevers, sterile organ inflammation, and a high type-I IFN-response gene signature…
Abstract Number: 0574 • ACR Convergence 2023
Type I IFN-associated Regulation of Immune Checkpoint Genes in Patients with SLE
Kanwal Zahid Siddiqi¹, Amanda Hempel Zinglersen², Katrine Kjær Iversen¹ and Søren Jacobsen², ¹Copenhagen Research Center for Autoimmune Connective Tissue Diseases (COPEACT), Department of Rheumatology 4242, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark, ²Copenhagen Research Center for Autoimmune Connective Tissue Diseases, Center for Rheumatology and Spine Diseases, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
Background/Purpose: Aberrant activation of type I IFN, and subsequent adverse clinical implications, have been widely discussed in relation to SLE. With the lack of consistent…
Abstract Number: 1176 • ACR Convergence 2023
Brepocitinib Prevents Type-I Interferon Induced Damage in Cultured Myocytes and Endothelial Cells Indicating a Potential Role in the Treatment of Dermatomyositis
Jiri Vencovsky¹, Jolie Feldman², Lisa McConnachie² and Brendan M. Johnson², ¹Institute of Rheumatology, Prague, Czech Republic, Department of Rheumatology, 1st Faculty of Medicine, Charles University, Prague, Czech Republic, ²Priovant Therapeutics, Durham, NC
Background/Purpose: Dermatomyositis (DM), an idiopathic inflammatory myopathy, is a chronic and often debilitating condition characterized by a hallmark skin rash (e.g., Gottron's sign and heliotrope…

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